diff --git a/nodes/src/hygrometer.c b/nodes/src/hygrometer.c
index 1706a65..e30775c 100644
--- a/nodes/src/hygrometer.c
+++ b/nodes/src/hygrometer.c
@@ -13,7 +13,9 @@ enum error_code hygro_init(){
 enum error_code hygro_get_value(int* holder){
     enum error_code ret = read_failed;
     struct sensor_value humidity;
-    if(sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &humidity) >= 0){
+    if( (sensor_sample_fetch(dev) >= 0) &&
+        (sensor_channel_get(dev, SENSOR_CHAN_HUMIDITY, &humidity) >= 0) 
+    ){
         *holder = humidity.val1;    //taking only the integer part
         ret = success;
     }else{}
diff --git a/nodes/src/thermometer.c b/nodes/src/thermometer.c
index 623d55a..4fdf958 100644
--- a/nodes/src/thermometer.c
+++ b/nodes/src/thermometer.c
@@ -13,7 +13,9 @@ enum error_code thermo_init(){
 enum error_code thermo_get_value(int* holder){
     enum error_code ret = read_failed;
     struct sensor_value temp;
-    if(sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp) >= 0){
+    if( (sensor_sample_fetch(dev) >= 0) &&
+        (sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp) >= 0) 
+    ){
         *holder = sensor_value_to_deci(&temp);
         ret = success;
     }else{}